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Contract OI history

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May 21, 2027 EXPIRATION

BAC $47.50 Put

BAC270521P00047500

Latest saved OI356Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BAC $47.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3561780 2026-10-02: 304 OI2026-10-05: 308 OI2026-10-06: 308 OI2026-10-07: 309 OI2026-10-08: 309 OI2026-10-09: 313 OI2026-10-13: 316 OI2026-10-14: 316 OI2026-10-15: 346 OI2026-10-16: 349 OI2026-10-21: 351 OI2026-10-23: 356 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BAC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing356+5
Oct 21, 2026351+2
Oct 16, 2026349+3
Oct 15, 2026346+30
Oct 14, 20263160
Oct 13, 2026316+3
Oct 09, 2026313+4
Oct 08, 20263090
Oct 07, 2026309+1
Oct 06, 20263080
Oct 05, 2026308+4
Oct 02, 2026304No prior observation